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40 lines
711 B
Plaintext
40 lines
711 B
Plaintext
/************************************
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* LIGHTPEN - Test lgtpen() function *
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************************************/
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//use -h option on command line
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#include <screen.h02>
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#include <lgtpen.h02>
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char aa,xx,yy;
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void prtlbl(aa,yy,xx) {
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setpos(aa,yy);
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putchr(xx); putchr(':');
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}
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void prtbyt(aa,yy,xx) {
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setpos(aa,yy);
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prbyte(xx);
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}
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char px,py,pt;
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char lx,ly,lt;
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main:
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clrscr();
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if (!#LGTPNS) goto exit;
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prtlbl(1,1,'X');
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prtlbl(1,2,'Y');
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prtlbl(1,3,'T');
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loop:
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if (getkey() == #ESCKEY) goto exit;
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px,py,pt = lgtpen();
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if (px<>lx) {prtbyt(4,1,px); lx=px;}
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if (py<>ly) {prtbyt(4,2,py); ly=py;}
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if (pt<>lt) {prtbyt(4,3,pt); lt=pt;}
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goto loop;
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